package com.rgs.se.data.stack;

/**
 * @author Ren Gaoshuai
 * @ClassName Stack
 * @Description TODO
 * @create 2022-04-03 17:52
 **/
public interface Stack<E> {

    int getSize();
    boolean isEmpty();
    void push(E e);
    E pop();
    E peek();

}
